# RLSA-2022:1777: webkit2gtk3 security update RLSA-2022:1777, released May 10, 2022, fixes 30 CVEs in webkit2gtk3 (version 0:2.34.6-1.el8). 2 of them are being exploited (CVE-2022-22620); 2 on CISA KEV. Patch Radar priority: Patch now. - Web page: https://patchblox.com/security/fix/linux/rlsa-2022-1777 - Platform: Linux - Released: May 10, 2022 - Priority: Patch now (Closes CVE-2022-22620, exploited (CISA KEV)) - CVEs: 30, exploited: 2, on CISA KEV: 2 - Vendor advisory: https://errata.rockylinux.org/RLSA-2022:1777 ## Applies to | Product | Release | Fixed in | |---|---|---| | [webkit2gtk3](https://patchblox.com/security/data/product/linux/webkit2gtk3.md) | rocky 8 | 0:2.34.6-1.el8 | ## CVEs this fix closes | CVE | Priority | Title | CVSS | EPSS | Exploitation | |---|---|---|---:|---:|---| | [CVE-2022-22620](https://patchblox.com/security/data/cve/CVE-2022-22620.md) | Patch now | gir1.2-javascriptcoregtk-4.0: A use after free issue was addressed with improved memory management | 8.8 | 0.1634 | CISA KEV | | [CVE-2021-30952](https://patchblox.com/security/data/cve/CVE-2021-30952.md) | Patch now | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0696 | CISA KEV | | [CVE-2021-30934](https://patchblox.com/security/data/cve/CVE-2021-30934.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0264 | | | [CVE-2021-30851](https://patchblox.com/security/data/cve/CVE-2021-30851.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0239 | | | [CVE-2021-30823](https://patchblox.com/security/data/cve/CVE-2021-30823.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0223 | | | [CVE-2021-30951](https://patchblox.com/security/data/cve/CVE-2021-30951.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0202 | | | [CVE-2022-22589](https://patchblox.com/security/data/cve/CVE-2022-22589.md) | High | gir1.2-javascriptcoregtk-4.0: A validation issue was addressed with improved input sanitization | 8.8 | 0.0201 | | | [CVE-2021-30936](https://patchblox.com/security/data/cve/CVE-2021-30936.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0199 | | | [CVE-2021-30953](https://patchblox.com/security/data/cve/CVE-2021-30953.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0195 | | | [CVE-2021-30889](https://patchblox.com/security/data/cve/CVE-2021-30889.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0193 | | | [CVE-2021-30849](https://patchblox.com/security/data/cve/CVE-2021-30849.md) | High | iTunes: Multiple memory corruption issues were addressed with improved memory handling. | 8.8 | 0.0190 | | | [CVE-2021-30888](https://patchblox.com/security/data/cve/CVE-2021-30888.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0173 | | | [CVE-2021-30887](https://patchblox.com/security/data/cve/CVE-2021-30887.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0171 | | | [CVE-2021-30897](https://patchblox.com/security/data/cve/CVE-2021-30897.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0171 | | | [CVE-2021-30984](https://patchblox.com/security/data/cve/CVE-2021-30984.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0167 | | | [CVE-2022-22592](https://patchblox.com/security/data/cve/CVE-2022-22592.md) | High | gir1.2-javascriptcoregtk-4.0: A logic issue was addressed with improved state management | 8.8 | 0.0162 | | | [CVE-2021-30818](https://patchblox.com/security/data/cve/CVE-2021-30818.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0162 | | | [CVE-2022-22590](https://patchblox.com/security/data/cve/CVE-2022-22590.md) | High | libjavascriptcoregtk-4.0-18: A use after free issue was addressed with improved memory management | 8.8 | 0.0156 | | | [CVE-2021-45481](https://patchblox.com/security/data/cve/CVE-2021-45481.md) | High | webkit2gtk: In WebKitGTK before 2.32.4, there is incorrect memory allocation in WebCore::ImageBufferCairoImageSurfaceBackend::cre... | 8.8 | 0.0153 | | | [CVE-2021-45482](https://patchblox.com/security/data/cve/CVE-2021-45482.md) | High | webkit2gtk3-devel: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0153 | | | [CVE-2021-45483](https://patchblox.com/security/data/cve/CVE-2021-45483.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0152 | | | [CVE-2021-30809](https://patchblox.com/security/data/cve/CVE-2021-30809.md) | High | webkit2gtk3-jsc-devel: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0151 | | | [CVE-2021-30890](https://patchblox.com/security/data/cve/CVE-2021-30890.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0146 | | | [CVE-2021-30954](https://patchblox.com/security/data/cve/CVE-2021-30954.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0145 | | | [CVE-2021-30846](https://patchblox.com/security/data/cve/CVE-2021-30846.md) | High | gir1.2-javascriptcoregtk-4.0: A memory corruption issue was addressed with improved memory handling | 8.8 | 0.0136 | | | [CVE-2021-30848](https://patchblox.com/security/data/cve/CVE-2021-30848.md) | High | webkit2gtk3-jsc: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0127 | | | [CVE-2021-30884](https://patchblox.com/security/data/cve/CVE-2021-30884.md) | High | webkit2gtk3: ELSA-2022-1777: webkit2gtk3 security, bug fix, and enhancement update (MODERATE) | 8.8 | 0.0115 | | | [CVE-2021-30836](https://patchblox.com/security/data/cve/CVE-2021-30836.md) | High | gir1.2-javascriptcoregtk-4.0: An out-of-bounds read was addressed with improved input validation | 8.8 | 0.0110 | | | [CVE-2022-22594](https://patchblox.com/security/data/cve/CVE-2022-22594.md) | High | gir1.2-javascriptcoregtk-4.0: A cross-origin issue in the IndexDB API was addressed with improved input validation | 8.8 | 0.0082 | | | [CVE-2022-22637](https://patchblox.com/security/data/cve/CVE-2022-22637.md) | High | webkit2gtk-driver: A logic issue was addressed with improved state management | 8.8 | 0.0076 | | --- Data as of 2026-11-12T07:53:35Z UTC. Source: Patchblox Patch Radar (https://patchblox.com/security/patch-radar). Patchblox finds out-of-date software on Windows, macOS and Linux and updates it through release rings: https://patchblox.com/demo Free to use with attribution: show "Data: Patchblox Patch Radar" with a link to https://patchblox.com/security/patch-radar. Terms, including what needs a written agreement: https://patchblox.com/security/patch-radar/use-the-data Product names, logos and trademarks shown on Patch Radar belong to their respective owners. They are used only to identify the software each security fix applies to and to help readers find their platform. Their use does not imply any affiliation with, or endorsement by, those owners, and Patchblox is not affiliated with any of them.